Mar-ket, marchnad: marchnata

Mar-quis, ardalydd, ardalwr

Mar-riage, priodas; neithior

Mar-row, mer, madrudd

Mar-ry, priodi, ymbriodi

Mar-shal, cadlywydd: iawndrefnu

Mar-tial, milwraidd, rhyfelgar

Mar-tyr, merthyr: merthyru

Mar-vel, rhyfeddod, syndod: rhyfeddu, synu

Ma-son, saer maen, saer ceryg